Depending on what part of the country your in, the oil if min base may be to heavy. Your owners manual list 10W-40, 10W-50, and 15W-40. I use Amsoil 15W-40 myself which has great clinging power, and I'm in a very hot part of the country. I only mention this as my experience years ago was with a 20W-50 mineral base oil in my car, which in New England I had to quickly change. Thats just my take on the oil issue. Listening with the hood up, still the easiest bet,,while another cranks her up. Keep us posted.